[    2.015879] ip (247) used greatest stack depth: 12376 bytes left
[    2.552113] ip (278) used greatest stack depth: 12360 bytes left
[    5.936666] ip (441) used greatest stack depth: 12352 bytes left
[    8.071472] ip (649) used greatest stack depth: 12344 bytes left
[  631.582304] ip (21509) used greatest stack depth: 12200 bytes left